The Two Keys to Determining the Absolute Age of a Rock

question 43

Multiple Choice

The two keys to determining the absolute age of a rock are

• A) measuring the abundance of parent isotope and measuring the abundance of daughter isotope.
• B) knowing the half-life and measuring the abundance of parent and daughter isotopes.
• C) knowing the composition and the geologic period the rock is from.
• D) identifying all the minerals in the rock and knowing the half-life of each mineral.

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Definitions:

Batches

Groups of items or goods processed or produced at the same time within a manufacturing operation.

Overhead Costs

Indirect expenses related to the day-to-day running of a business, such as rent, utilities, and administrative costs, which are not directly tied to production or sales.

Direct Materials

Raw materials that can be directly attributed to the production of goods or services and are an integral part of the finished product.

Fixed Costs

Regular expenses that an entity incurs, which are not affected by changes in business activity levels, such as lease payments and insurance premiums, essential for financial planning.